n.(充注热空气的)浮空器，飞行器(如飞艇、热气球)

An aerostat is a type of aircraft that maintains altitude through the use of a buoyant gas like helium.
气球是一种通过使用氦气等浮力气体来保持高度的飞行器。
The weather bureau uses an aerostat to collect atmospheric data at high altitudes.
气象局利用气球在高空收集大气数据。
The military deployed an aerostat equipped with surveillance cameras for border security.
军方部署了一个装有监控摄像头的飞艇以确保边境安全。
The giant aerostat floating in the sky was a spectacular sight during the airshow.
在航空展上，天空中飘浮的巨大飞艇是一道壮观的风景线。
In early aviation history, aerostats were primarily used for communication and reconnaissance purposes.
在早期航空史上，气球主要用于通信和侦察任务。
The researchers planned to launch an aerostat to study the ozone layer's condition from above.
研究人员计划发射一个气球从上方研究臭氧层的情况。
The experimental aerostat designed by the team can carry heavy payloads over long distances.
该团队设计的实验性飞艇能够携带重载荷长距离飞行。
The company aims to provide internet access to remote areas using solar-powered aerostats.
该公司旨在利用太阳能驱动的飞艇为偏远地区提供互联网接入服务。
A tethered aerostat can be an effective solution for providing persistent local radar coverage.
通过系留飞艇可以有效地实现对特定区域持久性的雷达覆盖。
After a successful test flight, the new aerostat design is set to revolutionize aerial photography and surveying.
在成功试飞后，这种新型飞艇设计将革新空中摄影和测绘领域。